新能源的开发和利用是能源研究的主要课题,太阳能电池是将太阳能转化为____ 能;核电站是利用____ 能来发电的.
Look at the ____(swing/star). It's yellow.
——Congratulations to you on making such great progress!——Thanks, but I would do better ________ I was given more time.